			.div_up {
				overflow: hidden;
				height: 50%;
			}
			
			.div1 {
				text-align: center;
				/*div中的内容居中*/
				margin-left: auto;
				/*div居中*/
				margin-right: auto;
				margin-top: 50px;
			}
			
			.div2 {
				text-align: center;
				margin-left: auto;
				margin-right: auto;
				margin-top: 30px;
			}
			
			.span1 {
				margin-left: 100px;
			}
			
			.btn-napos {
				margin-left: 50px;
				background-color: #5E5E5E;
			}
			
			hr {
				width: 90%;
				border-width: 2px;
			}
			
			.div_down {
				width: 80%;
				margin-left: auto;
				margin-right: auto;
				height: 500px;
			}
			
			.div-btn {
				margin-bottom: 20px;
				text-align: right;
			}
			
			.div_down_image {
				width: 80%;
				margin-left: auto;
				margin-right: auto;
				height: 500px;
			}
			/*.table,.table>tbody,.table>tr,.table>th,.table>td
			{
				border: 0px;
			}
			*/
			
			#imgTable,
			#imgTable tbody,
			#imgTable tr,
			#imgTable th,
			#imgTable td {
				border: 0px;
			}
			
			.fixed-table-container {
				border: 0px;
			}